TopCoder Inc. maintains the worlds largest community of competitive software developers. Originally a competitor as far back as 2001, Peter joined TopCoder Inc. as a staff software architect in late 2006. In this role, Peter coordinated projects that leveraged the diverse skill-set of TopCoder’s world-wide membership.
My wiki page at TopCoder: http://apps.topcoder.com/wiki/display/~axiom
My competitor profile at TopCoder: http://www.topcoder.com/tc?module=MemberProfile&cr=151634